The SFS3340C-LF from Z-COMM is a Frequency Synthesizer with Frequency 3340 MHz, Reference Frequency 10 MHz, Output Power 0 to 6 dBm, Harmonics -20 dBc, Spurious -65 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for SFS3340C-LF can be seen below.